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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG636471628

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG636471628

Diamond specifications and retailer prices

From HK$2,244 HKD
$286 USD
As of October 28, 2026
Save HK$13,056 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,300 HKD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636471628 or 636471628. Listed at 18 retailers as of October 27, 2026, with prices from HK$2,244 to HK$15,300, a HK$13,056 spread on the same certified stone. Brilliant Earth lists it at HK$15,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636471628
Dimensions6.68 × 6.64 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm6.64 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636471628
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$15,300 HKD|Low: HK$1,844 HKD|High: HK$16,556 HKD|Avg: HK$6,265 HKD|-7.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 7HK$2,244 HKD
Retailer 3HK$2,487 HKD
Retailer 10HK$2,814 HKD
Retailer 16HK$3,413 HKD
Retailer 11HK$3,782 HKD
Retailer 8HK$4,143 HKD
Retailer 5HK$4,237 HKD
Retailer 13HK$4,267 HKD
Retailer 2HK$4,723 HKD
Retailer 18HK$5,147 HKD
Retailer 14HK$5,789 HKD
Retailer 15HK$8,043 HKD
Retailer 6HK$8,388 HKD
Retailer 17HK$8,914 HKD
Retailer 4HK$9,777 HKD
Retailer 12HK$10,005 HKD
Retailer 9HK$10,750 HKD
Brilliant EarthHK$15,300 HKD

39 data points across 18 retailers

18 retailersHK$2,244 HKD to HK$15,300 HKD

A
Cheapest Retailer
-
HK$2,244 HKD
$286 USD
Final sale: no returns
A
Retailer 2
-
HK$2,487 HKD
$317 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$2,814 HKD
£282 GBP
View
Price last confirmed 19 days ago
A
Retailer 4
-
HK$3,413 HKD
$435 USD
View
A
Retailer 5
-
HK$3,782 HKD
€459 EUR
View
A
Retailer 6
-
HK$4,143 HKD
$528 USD
View
A
Retailer 7
-
HK$4,237 HKD
$540 USD
View
A
Retailer 8
-
HK$4,267 HKD
ZAR 8,786 ZAR
View
B+
Retailer 9
-
HK$4,723 HKD
£474 GBP
View
B+
Retailer 10
-
HK$5,147 HKD
$656 USD
View
B+
Retailer 11
-
HK$5,789 HKD
A$1,135 AUD
View
B+
Retailer 12
-
HK$8,043 HKD
$1,025 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
HK$8,388 HKD
$1,069 USD
View
B
Retailer 14
-
HK$8,914 HKD
$1,136 USD
View
B
Retailer 15
-
HK$9,777 HKD
$1,246 USD
View
B
Retailer 16
-
HK$10,005 HKD
£1,004 GBP
View
B
Retailer 17
-
HK$10,750 HKD
$1,370 USD
View
Most Expensive
B
Brilliant Earth
10501479A · Oct 27
HK$15,300 HKD
$1,950 USD
View
17 more retailers have this diamond
Prices start from HK$2,244 HKDSave up to HK$13,056 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.54ct Cushion
HK$2,244 HKD